Enhancements for WCDMA systems
This report focuses on the performance of a WCDMA system and how improvements could be implemented to enhance its performance, thus improving the efficiency of cellular communications. We will look into the different concepts involved in this study and gain a holistic understanding of the system....
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2011
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/45019 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This report focuses on the performance of a WCDMA system and how improvements
could be implemented to enhance its performance, thus improving the efficiency of
cellular communications. We will look into the different concepts involved in this
study and gain a holistic understanding of the system. The system used for
simulations is a direct sequence WCDMA system over an AWGN, Rayleigh channel.
We will explore how diversity techniques could improve the efficiency of
communication systems. The focus is on how the received signals are being processed,
and not how the diversity technique itself is implemented. Two enhancements are
proposed in this report. One involves summing up all the received signals before
cross-correlating while the other involves decoding the signal that has the largest
absolute cross-correlation value. When compared between them, we see that the
summation method produces better results and is less computational intensive. |
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